package com.design.demo3;
/**
 * 抽象组件类：抽象同事类
 * @author wdd_think
 *
 */
public abstract class Component {
	protected Mediator mediator;

    public void setMediator(Mediator mediator) {
        this.mediator = mediator;
    }

    //转发调用
    public void changed() {
        mediator.componentChanged(this);
    }

    public abstract void update();
}
